Deletion also could be used to provide momentum should a TARDIS need to escape a threat. The number of rooms that were required to be deleted varied depending on the situation. The danger in Architectural Configuration was that there was a chance the console room could be deleted. (TV: Castrovalva) There was, however, a failsafe that kept the TARDIS from erasing itself, possibly as a whole. (PROSE: Falls the Shadow)

The Eleventh Doctor used Architectural Configuration to delete TARDIS rooms and use them as extra power to move through the bubble universe rift. On the return trip, House used this function to delete an archived control room in an attempt to kill Idris, the Doctor, Amy, and Rory. However, the TARDIS's delete function included a failsafe that deposited any living objects inside of the main control room, saving them. (TV: The Doctor's Wife)